TY  - BOOK
AU  - Purushotham Tiwari 
TI  - Library Classification / 
SN  - 9788131305119
AV  - Z696 .T65 2011  
PY  - 2011///.
CY  - New Delhi
PB  -  A.P.H., 
KW  - Library classification
N1  - Includes index; Includes index
ER  -